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https://issues.apache.org/jira/browse/SSHD-1067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17186655#comment-17186655
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Lyor Goldstein commented on SSHD-1067:
--------------------------------------
There are major improvements to SFTP - but you need to switch to version 2.5.1.
See the discussion in SSHD-1049 and also the code in
[SftpPerformanceTest|https://github.com/apache/mina-sshd/blob/master/sshd-sftp/src/test/java/org/apache/sshd/sftp/client/SftpPerformanceTest.java]
and
[SftpTransferTest|https://github.com/apache/mina-sshd/blob/master/sshd-sftp/src/test/java/org/apache/sshd/sftp/client/SftpTransferTest.java]
for examples how to use the improvements. Basically, the idea is to create an
{{SftpFileSystem}} and then use {{Files.copy(...)}}
{code:java}
try (ClientSession session = createClientSession();
SftpFileSystem fs =
SftpClientFactory.instance().createSftpFileSystem(session)) {
Path remoteFile = fs.getPath("/some/remote/path");
Path localFile = Paths.get("/some/local/path");
Files.copy(remoteFile, localFile); // download
Files.copy(localFile, remoteFile); // upload
}
{code}
Another option is to use {{SftpRemotePathChannel#transferTo}} as shown in
[SftpRemotePathChannelTest|https://github.com/apache/mina-sshd/blob/master/sshd-sftp/src/test/java/org/apache/sshd/sftp/client/impl/SftpRemotePathChannelTest.java]
> Performance tuning parameters for Apache mina SSHD 2.4
> ------------------------------------------------------
>
> Key: SSHD-1067
> URL: https://issues.apache.org/jira/browse/SSHD-1067
> Project: MINA SSHD
> Issue Type: Question
> Reporter: lakshmi Priya
> Priority: Major
>
> We are using SSHD Mina 2.4 version, we are noticing that large file
> upload/downloads are taking a very long time as compared to other libraries.
> Are there any parameters that can be used to tune the performance for SFTP
> server and client. Please suggest.
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